Diff Report
Run #519eade6f30be: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #519ead03a5283: XHProf Run (Namespace=drupal-perf-joelpittet)
Tip
Click a function name below to drill down.

Regression/Improvement summary for Drupal\Component\Utility\Crypt::randomBytes

Drupal\Component\Utility\Crypt::randomBytesRun #519eade6f30beRun #519ead03a5283DiffDiff%
Number of Function Calls3 3 0 0.0%
Incl. Wall Time (microsec)702 728 26 3.7%
Incl. Wall Time (microsec) per call 234 243 9 3.7%
Excl. Wall Time (microsec)72 73 1 1.4%
Incl. CPU (microsecs)706 731 25 3.5%
Incl. CPU (microsecs) per call 235 244 8 3.5%
Excl. CPU (microsec)58 53 -5 -8.6%
Incl. MemUse (bytes)16,560 16,576 16 0.1%
Incl. MemUse (bytes) per call 5,520 5,525 5 0.1%
Excl. MemUse (bytes)-8,552 -8,544 8 0.1%
Incl. PeakMemUse (bytes)42,296 42,312 16 0.0%
Incl. PeakMemUse (bytes) per call 14,099 14,104 5 0.0%
Excl. PeakMemUse (bytes)13,104 13,104 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Component\Utility\Crypt::randomBytes [View Callgraph Diff]


Function NameCalls DiffCalls
Diff%		Incl. Wall
Diff
(microsec)		IWall
Diff%		Incl. CPU Diff
(microsec)		ICpu
Diff%		Incl.
MemUse
Diff
(bytes)		IMemUse
Diff%		Incl.
PeakMemUse
Diff
(bytes)		IPeakMemUse
Diff%
Current Function
Drupal\Component\Utility\Crypt::randomBytes0 N/A% 26 1.0% 25 2.1% 16 0.0% 16 0.0%
Exclusive Metrics Diff for Current Function1 3.8% -5 -20.0% 8 50.0% 0 0.0%
Parent function
Drupal\Component\Uuid\Php::generate0 N/A% 26 100.0% 25 100.0% 16 100.0% 16 100.0%
Child functions
fread0 N/A% 20 76.9% 21 84.0% 0 0.0% 32 200.0%
substr0 N/A% 2 7.7% 1 4.0% 0 0.0% 0 0.0%
fopen0 N/A% 2 7.7% 2 8.0% 24 150.0% 0 0.0%
print_r0 N/A% 1 3.8% 2 8.0% -16 -100.0% -16 -100.0%
function_exists0 N/A% 0 0.0% 2 8.0% 0 0.0% 0 0.0%
fclose0 N/A% 0 0.0% 2 8.0% 0 0.0% 0 0.0%
max0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
strlen0 N/A% 0 0.0% -1 -4.0% 0 0.0% 0 0.0%
getmypid0 N/A% 0 0.0% 1 4.0% 0 0.0% 0 0.0%